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ClinicalTrials.gov 2 recruiting now early-phase tilt small index

Smell Dysfunction: early-phase trial registry

2 of 2 indexed Smell Dysfunction trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #7,188 of 28,707 conditions by registered trial count.

2 US clinical trials · 2 currently recruiting · #7,188 of 28,707 conditions by registered trial count

Smell Dysfunction: 2 US clinical trials tracked, 2 recruiting.

Smell Dysfunction is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Medical University of South Carolina, running 1 of these trials.

Enrollment posture brief

Registry condition smell-dysfunction

OPEN 2 | RECR 100% | LATE 0 | EARLY 1 | RANK #7188 | SPON 1

Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)

Smell Dysfunction (this)100%Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%
Open-enrollment share among volume-matched conditions near Smell Dysfunction

Smell Dysfunction lists 2 open slots (100% of 2 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Smell Dysfunction on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Smell Dysfunction is recruiting above its size-band peers.

    2 of 2 indexed trials (100%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

Phase 21

Phase Distribution

PhaseTrial count
Phase 2 1

Top Sponsors

Named interventions

Most-linked intervention names on Smell Dysfunction records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Olfactory biopsy Procedure
1 trials
Odor stimulation Other
1 trials
olfactory testing Diagnostic test
1 trials
Placebo Smell Training (PBO) Other
1 trials
Active Smell Training (ST) Other
1 trials
Trigeminal Nerve Stimulation (TNS) Device
1 trials

US sites by state

Facility locations filed on Smell Dysfunction trials. A trial with sites in several states counts in each.

South Carolina 1 trials
North Carolina 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Smell Dysfunction page

2 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Smell Dysfunction condition card totals 2 registered trials; most-linked intervention Olfactory biopsy; top US site state South Carolina. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.